One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(5,6,12,16,10,18,11,17)(7,13,23,29,21,31,22,30)(8,24,27,33,26,15,9,14)(19,34,25,36,20,32,35,28)(1,2,4,3)(5,7,12,22,10,21,11,23)(6,13,16,30,18,31,17,29)(8,25,27,19,26,35,9,20)(14,32,24,36,33,34,15,28)(1,3,4,2)(5,8,11,9,10,26,12,27)(6,14,16,24,18,33,17,15)(7,19,22,35,21,20,23,25)(13,28,29,34,31,36,30,32)(5,9,11,26,10,27,12,8)(6,15,16,14,18,24,17,33)(7,20,23,35,21,19,22,25)(13,28,30,32,31,36,29,34)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.